نتایج جستجو برای: bm cellularity
تعداد نتایج: 13594 فیلتر نتایج به سال:
WHIM syndrome is a condition in which affected persons have chronic peripheral neutropenia, lymphopenia, abnormal susceptibility to human papilloma virus infection, and myelokathexis. Myelokathexis refers to the retention of mature neutrophils in the bone marrow (BM), which accounts for degenerative changes and hypersegmentation. Most patients present heterozygous autosomal dominant mutations o...
We have examined the effects of recombinant human interleukin-11 (rhIL-11) on the recovery of peripheral blood cell counts and proliferation of progenitors and hematopoietic stem cells (day 12 colony-forming units-spleen-CFU-S12) in vivo using a mouse bone marrow (BM) and spleen cell transplantation model. Recovery of leukocytes was accelerated in animals receiving daily administration of rhIL-...
The administration of greater than or equal to 5 micrograms interleukin-7 (IL-7) twice a day to mice for 4 to 7 days increased by twofold to fivefold the total number of splenic and peripheral blood leukocytes, but did not appreciably increase bone marrow (BM) cellularity. This regimen of IL-7 administration also resulted in a greater than 90% reduction in the frequency and total number of sing...
Relapse of leukemia is the major cause of failure after autologous stem cell transplantation due to reinfusion of residual clonogenic cells and the absence of an immune-mediated graft-versus-leukemia effect. To provide an antileukemia effect, immune-activating cytokines have been given to patients after transplantation. Systemic administration of such cytokines early after transplantation is of...
در این رساله ثابت شده که کلاسqs-جبرها،bci-جبرهایp-نیم ساده وbp-جبرهامعادلند و دو زیرمجموعه به نام های (a(x و(b(x از یک bm-جبر x معرفی می کنیم و ثابت می کنیم(a(x یک زیرکاکسترجبر ازx است و داریم|(a(x)|<|b(x| . در ادامه bm-جبرقوی معرفی شده ونشان داده ایم هر bm-جبر از مرتبه فرد یک bm-جبرقوی است. سپس b-جبرهای حقیقی را معرفی کرده و تعدادی از آنها را پیدا کرده ایم و سرانجام به طبقه بندی مرتبه ی کمتر ...
Modulation of DNA damage repair activity could lead to new approaches to reduce cytotoxic side effects of chemotherapy. N,N',N"-Triethylenethiophosphoramide (thioTEPA) induces the formation of amino-ethyl adducts of guanine, resulting in imidazole ring opening [formamidopyrimidine (Fapy)] and is associated with significant myelosuppression in dose-intensive therapies. In Escherichia coli, Fapy ...
We thank O’Neill and colleagues for their comments on our paper.1 We agree that assays of clonogenicity and hematopoietic repopulation are not sufficient for defining homing. However, we argue that CFC (colony-forming cell) homing assay is an acceptable in vivo approach to assess the homing capacity of human hematopoietic progenitor cells in a mouse bone marrow (BM) transplantation model.2,3 We...
The ligand for the receptor tyrosine kinase fms-like tyrosine kinase 3 (flt3), also referred to as fetal liver kinase-2 (flk-2), has an important role in hematopoiesis. The flt3 ligand (flt3L) is a growth factor for hematopoietic progenitors and induces hematopoietic progenitor and stem cell mobilization in vivo. In addition, when mice are treated with flt3L immature B cells, natural killer (NK...
Keratinocyte growth factor (KGF) is a member of the fibroblast growth factor family that mediates epithelial cell proliferation and differentiation in a variety of tissues, including the thymus. We studied the role of KGF in T-cell development with KGF-/- mice and demonstrated that thymic cellularity and the distribution of thymocyte subsets among KGF-/-, wildtype (WT), and KGF+/- mice were sim...
Dear Editor, Angioimmunoblastic T-cell lymphoma (AITL) is the second most common subtype of peripheral T-cell lymphoma, accounting for approximately 15–20% of the cases [1]. It is a systemic lymphoproliferative disorder that typically presents with constitutional symptoms, generalized lymphadenopathy, hepatosplenomegaly, skin rash, and immunological disturbances [2]. AITL may be accompanied by ...
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